Pdf optimisation of accelerated solvent extraction of. Caffeine extraction from coffee university of idaho. Pdf determination of caffeine in tea samples ankit. Does anyone know of a step by step way to process this coca tea into cocaine. I know this will not make a large amount of cocaine hcl, thats okay, im not selling it or giving it out, its just for me. The pictures were taken from 2 extractions performed with 2kg and 5kg of leaves, but all the procedure outlined refers to the latter. While the coca plant can be found throughout most of latin america, varieties containing the cocaine alkaloid the basis for cocaine hcl are cultivated and converted primarily in peru, bolivia and colombia. When mew did the 2kg extraction he got around 10 grams of pure cocaine base, and turned that into 10 grams of pure cocaine hydrochloride. It is estimated that ninety percent of those living in the united states use the drug through the consumption of coffee, tea, soda or over the counter drugs like vivarin. Solvent extraction is a process of purification involving the use of two solvents or solutions that are immiscible with one another. The incb has recently called for the suppression of these legal coca markets under article 49, 2e, of the 1961 single.